Private Declare Function SendMessage _
Lib "user32" Alias "SendMessageA" _
(ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Const WM_PASTE = &H302
Private Sub Command1_Click()
Clipboard.Clear
Clipboard.SetData LoadPicture("T:\Temp\schedule.gif"), vbCFBitmap ' Get bitmap
SendMessage RichTextBox1.hwnd, WM_PASTE, 0, 0
End Sub