mouse-position

Get cursor position with respect to the control - C#

由 孤街醉人 提交于 2019-11-26 21:07:46
问题 I want to get the mouse position with respect to the control in which mouse pointer is present. That means when I place the cursor to the starting point (Top-Left corner) of control it should give (0,0). I am using the following code: private void panel1_MouseMove(object sender, MouseEventArgs e) { this.Text = Convert.ToString(Cursor.Position.X + ":" + Cursor.Position.Y); } But this gives the position with respect to the screen not to the control. Code sample will be appreciated. 回答1: You can

Getting mouse position in c#

由 ぐ巨炮叔叔 提交于 2019-11-26 03:23:23
问题 How do I get the mouse position? I want it in term of screen position. I start my program I want to set to the current mouse position. Location.X = ?? Location.Y = ?? Edit: This must happen before the form is created. 回答1: You should use System.Windows.Forms.Cursor.Position: "A Point that represents the cursor's position in screen coordinates." 回答2: If you don't want to reference Forms you can use interop to get the cursor position: /// <summary> /// Struct representing a point. /// </summary

What is the difference between screenX/Y, clientX/Y and pageX/Y?

由 别说谁变了你拦得住时间么 提交于 2019-11-25 23:42:29
问题 What is the difference between screenX / Y , clientX / Y and pageX / Y ? Also for iPad Safari, are the calculations similar as on desktop—OR there is some difference because of viewport? It would be great if you could point me to an example. 回答1: In JavaScript: pageX , pageY , screenX , screenY , clientX , and clientY returns a number which indicates the number of physical “CSS pixels” a point is from the reference point. The event point is where the user clicked, the reference point is a

Real mouse position in canvas [duplicate]

由 时间秒杀一切 提交于 2019-11-25 23:22:09
问题 This question already has answers here : How do I get the coordinates of a mouse click on a canvas element? (22 answers) Closed 6 months ago . I\'m trying to draw with the mouse over a HTML5 canvas, but the only way that it seems to work well is if the canvas is in the position 0,0 (upper left corner) if I change the canvas position, for some reason it doesn\'t draw like it should. Here is my code. function createImageOnCanvas(imageId){ document.getElementById(\"imgCanvas\").style.display = \

Getting mouse position in c#

由 血红的双手。 提交于 2019-11-25 19:14:14
How do I get the mouse position? I want it in term of screen position. I start my program I want to set to the current mouse position. Location.X = ?? Location.Y = ?? Edit: This must happen before the form is created. You should use System.Windows.Forms.Cursor.Position : "A Point that represents the cursor's position in screen coordinates." Mo0gles If you don't want to reference Forms you can use interop to get the cursor position: /// <summary> /// Struct representing a point. /// </summary> [StructLayout(LayoutKind.Sequential)] public struct POINT { public int X; public int Y; public static
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