Compressing and decompressing files with GZIPStream or Deflatestream
These samples whow how to compress and decompress files with the build in framework methods. For real world applications consider […]
VB.NET
februari 2020
VB.NET
Reading screen pixels from the main screen, and specific other application windows
Reading from the full screen This code sample reads the pixel of the screen that the mouse points to, and
C#, VB.NET
Making a form transparant
This code sample displays a method to seemingly draw anywhere freely on the screen. The key to this technique is
VB.NET
Creating a superimposed centered watermarked image at runtime
”’ <summary> ”’ Watermarks the file sOrinignalfilehandle with the content of sWatermarkfilehandle. The resulting ”’ watermarked picture is written to
VB.NET
Static class implementing a filecopy function while showing a progress bar
Imports System.IO ”’ <summary> ”’ Copy a file from the source to the target location, and shows a progressbar to
C#
Update a winforms control from a background thread
This is the absolute minimum you need to update a control on the GUI thread from a background thread. The
VB.NET
Retrieving data from a hidden GridView column
In Visual Studio Winforms applications you can set a column to hidden, and still use it to retrieve data from.
ASP.NET Webforms, C#
Hiding a control’s commandfield button at runtime
Hiding a command button at runtime can be archieved by casting the commandfield in the DataBound event, and accessing the
ASP.NET Webforms
Custom DataContext and Query with a Gridview bound to a LinqDataSource
Using an editable grid with a LinqDatasource with a custom connection string and query Binding to a custom datasource Create
ASP.NET Webforms
Setting the column width on a gridview column from code
To set the widht of a column on a GridView in ASP.NET you can hook into the RowDataBound event. This