TOpenPictureDialog

pt 

WSRegisterClass

pt 

IsFilterStored

pt 

InitPreviewControl

pt 

ClearPreview

pt 

UpdatePreview

 

Create

 

DoClose

 

DoSelectionChange

 

DoShow

 

GetFilterExt

 

TPreviewFileDialog

pt 

WSRegisterClass

pt 

CreatePreviewControl

pt 

InitPreviewControl

 

Execute

 

Create