drawtobitmap

richTextBox.DrawToBitmap Does Not Draw Containing Text?

跟風遠走 提交于 2019-12-30 11:17:15
问题 If I have a richTextBox and run DrawToBitmap on it, it doesn't draw any of the text inside of the richTextBox. Bitmap b = new Bitmap(rtb.Width, rtb.Height); inputControl.DrawToBitmap(b, new Rectangle(0, 0, b.Width, b.Height)); Is there any way to fix this? 回答1: This thread came up second in Google. Seems to have exactly what you want. Because I imagine you're using this inside your function from this question Accepting Form Elements As Method Arguments?, it's probably best to do something

WebBrowser Madness

旧城冷巷雨未停 提交于 2019-12-29 09:08:10
问题 Edit: The original question was a long one with many wild guesses. I have cut it back to the remaining mysteries.. I've been struggling and puzzling all day now and guess I ought to present my problem to the community. It originated from the post called Screenshot method generates black images. The original poster wants to continuously take screenshots of his program, which includes a WebBrowser, every n seconds even when the user is logged off . When the user is logged out he has no screen

Converting WebBrowser.Document To A Bitmap?

狂风中的少年 提交于 2019-12-29 03:21:32
问题 Is it possible to draw a WebBrowser.Document to a Bitmap? Basically taking a screenshot of a WebBrowser control (note, this is with a WebBrowser that doesn't live on a form, but just in code). WebBrowser w = new WebBrowser(); w.Document = "<b>Hello</b> world."; w.Document.DrawToBitmap ??? Thanks! 回答1: http://www.bryancook.net/2006/03/screen-capture-for-invisible-windows.html and here: http://www.codeproject.com/KB/graphics/screen_capturing.aspx I believe you should get the handle of your

c# winform DrawToBitmap offscreen

余生颓废 提交于 2019-12-24 14:00:46
问题 Is there any way to screen grab a windows form control if it's bigger than your monitor? For example, my winform is 3000px by 3000px Monitor is 1080p this.Height = 3000; this.Width = 3000; Graphics g = this.CreateGraphics(); //new bitmap object to save the image Bitmap bmp = new Bitmap(this.Width, this.Height + 1000); //Drawing control to the bitmap this.DrawToBitmap(bmp, new Rectangle(0, 0, this.Width, this.Height + 1000)); bmp.Save(@"C:\Users\Watson\Documents\Visual Studio 2013\WebSites

How to use Control.DrawToBitmap to render a Form into a Bitmap without its decorations (titlebar, border)? [duplicate]

妖精的绣舞 提交于 2019-12-11 10:43:51
问题 This question already has an answer here : Take screenshot from window content (without border) (1 answer) Closed 10 months ago . I have a Form and in it an Overlay control (transparent gray backcolor with White text over "Drop here..." and an icon) that is visible only when a file is dragged over the Form. The Overlay is made transparent by drawing the control in its back on it and then filling over with transparent gray (ARGB). The method Works very well when the Overlay should be over a

How can I get a screenshot of control? DrawToBitmap not working

坚强是说给别人听的谎言 提交于 2019-12-10 10:11:45
问题 I have a pictureBox that's being painted to externally via a dll call. private void myPictureBox_Paint(object sender, PaintEventArgs e) { dllClass.RefreshEx(LWHANDLE, 0, 0); } This is working and all, but I now need to get a screenshot of that picturebox, and it's not working. Here's what I've tried: Control ctrlToDraw = myPictureBox; System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(ctrlToDraw.Width, ctrlToDraw.Height); ctrlToDraw.DrawToBitmap(bmp, ctrlToDraw.ClientRectangle); I've also

How can I get a screenshot of control? DrawToBitmap not working

若如初见. 提交于 2019-12-06 00:40:05
I have a pictureBox that's being painted to externally via a dll call. private void myPictureBox_Paint(object sender, PaintEventArgs e) { dllClass.RefreshEx(LWHANDLE, 0, 0); } This is working and all, but I now need to get a screenshot of that picturebox, and it's not working. Here's what I've tried: Control ctrlToDraw = myPictureBox; System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(ctrlToDraw.Width, ctrlToDraw.Height); ctrlToDraw.DrawToBitmap(bmp, ctrlToDraw.ClientRectangle); I've also attempted to do it via Windows API, but it's resulting in exactly the same result as the above code: a

WebBrowser.DrawtoBitmap() generating blank images for few sites consistently

余生长醉 提交于 2019-12-01 15:07:38
问题 I've been using WebBrowser.DrawtoBitmap() in my asp.net page running in separate STA thread to capture web pages as an image. But I found that I'm getting blank images for few sites consistently. I'm aware that the method is not 'officially' supported but it would be nice if someone can provide me any reason or a work around for these blank images issue. 回答1: DrawToBitmap has limitations and dont always work as expected. Try instead work with native GDI+ Here is example 回答2: This problem can

richTextBox.DrawToBitmap Does Not Draw Containing Text?

你离开我真会死。 提交于 2019-12-01 11:06:32
If I have a richTextBox and run DrawToBitmap on it, it doesn't draw any of the text inside of the richTextBox. Bitmap b = new Bitmap(rtb.Width, rtb.Height); inputControl.DrawToBitmap(b, new Rectangle(0, 0, b.Width, b.Height)); Is there any way to fix this? Novikov This thread came up second in Google. Seems to have exactly what you want. Because I imagine you're using this inside your function from this question Accepting Form Elements As Method Arguments? , it's probably best to do something like this. if(inputControl is RichTextBox) { //do specifc magic here } else { //general case } You can

Converting WebBrowser.Document To A Bitmap?

点点圈 提交于 2019-11-28 18:24:57
Is it possible to draw a WebBrowser.Document to a Bitmap? Basically taking a screenshot of a WebBrowser control (note, this is with a WebBrowser that doesn't live on a form, but just in code). WebBrowser w = new WebBrowser(); w.Document = "<b>Hello</b> world."; w.Document.DrawToBitmap ??? Thanks! http://www.bryancook.net/2006/03/screen-capture-for-invisible-windows.html and here: http://www.codeproject.com/KB/graphics/screen_capturing.aspx I believe you should get the handle of your WebBrowser control and save it's content as image like suggested in those links. I use the following code to