if (ActiveMdiChild is MyBaseClass1) { // your code hier }

hi set the connection object 'con' to the command object e.g com.Connection = con do not forget to close the connection e.g. con.Close() aftre the dt.Fill(dt) call. regards

hi why you write the text line by line? using(StreamWriter sw = new StreamWriter(filename)) { sw.Write(textbox.Text); } regards

hi //To binary MemoryStream ms = new MemoryStream(); bitmap.Save(ms); ms.Position = 0; byte[] arr = ms.ToArray(); // From binary MemoryStream ms = new MemoryStream(arr); Bitmap bitmap = Bitmap.FromStream(ms); regards

hi use LoadFile instead of LoadFrom. this will help you more www.codeproject.com/KB/dotnet/AssemblyLoadFile.aspx cheers

hi visual basic does not support ox00008603L try with: Public Const ABCDE_FGH As Integer = &H00008603L or Public Const ABCDE_FGH As Long = &H00008603L

hi had a look in the BitArray class in the System.Collections namespace. maybe this will help you. regards

hi File.Open(strIOPath, FileMode.Create) FileMode.Create = Specifies that the operating system should create a new file. If the file already exists, it will be overwritten. try with FileMode.Open regards

hi try with SelectedValue regards

hi pass a reference of the form to your class. Public Sub New(ByVal newLeft As Short, ByVal newRight As Short, ByVal newWidth As Short,_ ByVal newHeight As Short, ByVal form As Form1) regards

hi have you try to use GroupBox1.Visible = True/False instead of Hide()/Show()? regards

hi add a reference to the Microsoft Scripting Runtime library: C:\WINDOWS\system32\scrrun.dll regards

yes, because the C object is defined outside the using block. using(C c = new C()) { // your code } // after this line the C object is not accesible

in this case your exe ist not a com object. all com object must contain DLLRegisterServer and DLLUnregisterServer methods. this methods register/unregister the com object.

hi you can register com objects with regsvr32.exe. pass the full filename as parameter. after registering, add a reference to your project selecting the com object registered before. visual studio create a wrapper for the com object and add this wrapper as refernece to the project. regards

hi using(frmForm frm = new frmForm()) { frmForm.ShowWindow(this); // the using block call the Close/Dispose methode // so yopu don't need to call Close() or Dispose() } regards

hi use int index = RichTextBox.GetCharIndexFromPoint(Point pt); to get the position of the char under the mouse. use RichTextBox.SelectionStart = index; RichTextBox.SelectionLength = 0; // maybe this line is not necessary to move the cursor inside the textbox. regards

hi this is a good example for loading and saving icons. http://www.codeproject.com/KB/cs/IconLib.aspx regards

hi you can use the Marshal.SizeOf(typeof(MyClass)) method in the System.Runtime.InteropServices namespace. regards

hooks are not easy to use. look in the msdn help, set the filter to platform SDK an search for OPENFILENAME. good luck :-)