WPF Drag and Drop (Grid to Grid)

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ASP.NET

.NET

WPF

desktop

I am trying to find a way to drag and drop between two grids(NOT datagrids).

I have one Main grid control with 24 columns and 24 rows and some other grid which i want to Drag. (Grid Look Like This => http://pho.to/3YMsc[^]

Thus in About Image there is two parts One is Drag and One is Drop Check this => http://pho.to/3YMuu[^]

Thus i want to Drag(Any Grid Like 3*3, 5*5 and 5*10) and Drop(24*24) to Main Grid Like this => http://pho.to/3YMwI[^]

i want to Drag grid(3*3, 5*5, 5*10) and Drop in to Grid(24*24) in any Cell.

when i drop the Grid, it will just highlight in Main Grid(24*24).

Plese Help Me.

Sorry for My English