.net

问题 Today, working on some VB.NET code I had to access two external DLLs in order to use some methods. The help topics that I found told me to use the following external methods: shlwapi.dll → PathIsNetworkPath (Reference 1) mpr.dll → WNetAddConnection2 and WNetCancelConnection2 (Reference 2) However, when I tried to call these methods from my code, I got an error saying that the entry point did not exist. So I did some research and I found out that the DLLs in my operative System (Windows 7

问题 Let me explain my question by an Image I have MVVM structure in My project. I have two textblocks, Textblock 1 and textblock 2 . Now I want textblock2's Text same as Textblock1's Text, whenever Textblock1's Text changed. but I should be able to set Textblock2's Text different from Textblock1's . So I am setting Oneway binding of Textblock1's Text Property. How Can I get the Text property of Textblock2's In MVVM. If I create a property for Textblock2's Text property, I wont be able to bind

问题 Let me explain my question by an Image I have MVVM structure in My project. I have two textblocks, Textblock 1 and textblock 2 . Now I want textblock2's Text same as Textblock1's Text, whenever Textblock1's Text changed. but I should be able to set Textblock2's Text different from Textblock1's . So I am setting Oneway binding of Textblock1's Text Property. How Can I get the Text property of Textblock2's In MVVM. If I create a property for Textblock2's Text property, I wont be able to bind

问题 Goal is to create DateTimePicker similar to the screen shot of this question. First attempt overriding OnPaint: public class MyDateTimePicker : DateTimePicker { private Image _image; public MyDateTimePicker() : base() { SetStyle(ControlStyles.UserPaint | ControlStyles.ResizeRedraw | ControlStyles.DoubleBuffer | ControlStyles.AllPaintingInWmPaint, true); } [Browsable(true)] public override Color BackColor { get { return base.BackColor; } set { base.BackColor = value; } } [Category("Appearance"

问题 I am having issues installing a program by Cornelsen. The setup dialog prompts that NET framework 4.0 is needed in order to install. I have installed NET framework 4.8 and I have not found a way to downgrade. Any idea on how to fix the prompt? EDIT: @Filburt I have tried following your link and get this prompt FIX: Thanks to @Stein Åsmul using SuperOrca and simply changing the RegLocator Value from .../1031 to .../1033 enabled the MSI to run. 回答1: LaunchCondition : This looks like a regular

问题 I use Entity Code first for my project. Basically I have 3 class Users , Branchs and UsersBranchs . Users contains UserID , Name ,... Branchs contains BranchID , Location , ... and UserID which is refer to creator of branch and UsersBranchs just have have two column BranchID and UserID which is define which user is in which branch the problem is I get this error: 'FK_dbo.UsersBranchs_dbo.Users_UsersID' on table 'UsersBranchs' may cause cycles or multiple cascade paths. Specify ON DELETE NO

问题 I'm working on a Python script to create hashed strings from an existing system similar to that of ASP.NET's MembershipProvider. Using Python, is there a way to take a hexadecimal string and convert it back to a binary and then do a base64 encoding, somehow treating the original string as Unicode. Let's try some code. I'm looking to re-encode a hashed password so that the hashes would be equal in Python and ASP.NET/C#: import base64 import sha import binascii def EncodePassword(password): #

问题 I want to implement the keyboard button press commands inside a c# windows form application. Suppose if some value is reached I want to implement the key "L" pressed using the windows form application.Is this possible ? How to do it ? 回答1: This might do the trick for you However, a better way is probably to set your form's KeyPreview property to true , and then put your code into the form's keyDown event (and set e.Handled = true as well, to prevent the key event from being passed on to

问题 I want to implement the keyboard button press commands inside a c# windows form application. Suppose if some value is reached I want to implement the key "L" pressed using the windows form application.Is this possible ? How to do it ? 回答1: This might do the trick for you However, a better way is probably to set your form's KeyPreview property to true , and then put your code into the form's keyDown event (and set e.Handled = true as well, to prevent the key event from being passed on to

问题 I want to upload an image to Google Drive with OCR function and convert it to Google Doc. I am using this method public static File UploadFile(DriveService Service, string UploadFile, string Parent) { if (System.IO.File.Exists(UploadFile)) { File body = new File(); body.Title = System.IO.Path.GetFileName(UploadFile); body.Description = "File uploaded by Diamto Drive Sample"; body.MimeType = GetMimeType(UploadFile); body.Parents = new List<ParentReference>() { new ParentReference() { Id =