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update samples: waitKey() usage

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Original commit is a5f19f7dd6
This commit is contained in:
StevenPuttemans
2016-08-12 15:11:30 +02:00
committed by Alexander Alekhin
parent 4e7b521438
commit 6d34d6b47e
76 changed files with 142 additions and 154 deletions
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samples/cpp/tutorial_code/ImgProc/Threshold.cpp
+2 -3
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@@ -60,9 +60,8 @@ int main( int, char** argv )
/// Wait until user finishes program
for(;;)
{
int c;
c = waitKey( 20 );
if( (char)c == 27 )
char c = (char)waitKey( 20 );
if( c == 27 )
{ break; }
}