4 references to DRAGDROP_E_ALREADYREGISTERED
System.Windows.Forms (2)
System\Windows\Forms\Control.cs (1)
9579if (hr != HRESULT.S_OK && hr != HRESULT.DRAGDROP_E_ALREADYREGISTERED)
System\Windows\Forms\Controls\ToolStrips\ToolStripDropTargetManager.cs (1)
177if (hr.Failed && hr != HRESULT.DRAGDROP_E_ALREADYREGISTERED)
System.Windows.Forms.Tests (2)
System\Windows\Forms\RichTextBoxTests.cs (2)
316Assert.Equal(HRESULT.DRAGDROP_E_ALREADYREGISTERED, PInvokeCore.RegisterDragDrop(control, dropTarget)); 1268Assert.Equal(HRESULT.DRAGDROP_E_ALREADYREGISTERED, PInvokeCore.RegisterDragDrop(control, dropTarget));