For example, say that you want to use Arial size 12 for a multiline edit control. In that case you could put the following code in OnInitDialog:<\/p>\n
\r\nBOOL CFontSampleDlg::OnInitDialog() \r\n{ \r\n\tCDialog::OnInitDialog(); \r\n\r\n\t\/\/ Set the icon for this dialog. The framework does this automatically \r\n\t\/\/ when the application's main window is not a dialog \r\n\tSetIcon(m_hIcon, TRUE);\t\t\t\/\/ Set big icon \r\n\tSetIcon(m_hIcon, FALSE);\t\t\/\/ Set small icon \r\n\r\n\tVERIFY(editFont.CreateFont( \r\n\t\t12, \/\/ nHeight \r\n\t\t0, \/\/ nWidth \r\n\t\t0, \/\/ nEscapement \r\n\t\t0, \/\/ nOrientation \r\n\t\tFW_NORMAL, \/\/ nWeight \r\n\t\tFALSE, \/\/ bItalic \r\n\t\tFALSE, \/\/ bUnderline \r\n\t\t0, \/\/ cStrikeOut \r\n\t\tANSI_CHARSET, \/\/ nCharSet \r\n\t\tOUT_DEFAULT_PRECIS, \/\/ nOutPrecision \r\n\t\tCLIP_DEFAULT_PRECIS, \/\/ nClipPrecision \r\n\t\tDEFAULT_QUALITY, \/\/ nQuality \r\n\t\tDEFAULT_PITCH | FF_SWISS, \/\/ nPitchAndFamily \r\n\t\t_T(\"Arial\"))); \/\/ lpszFacename \r\n\r\n\tGetDlgItem(IDC_EDIT_SAMPLE)->SetFont(&editFont); \r\n\r\n\treturn TRUE; \/\/ return TRUE unless you set the focus to a control \r\n}<\/pre>\nThe result should be the following:<\/p>\n
![\"control](\"\/blog\/wp-content\/uploads\/2007\/11\/font1.png\")
<\/p>\n
Look carefully and you’ll see that’s not the right size 12? Why? Because the height and width (which doesn’t matter in this case) parameters for CreateFont()<\/a> are given in logical units and not pixels. When you passed 12 we meant pixels, so to correctly create a font of size 12 pixels, you must convert from pixels to logical units. To do that, you need to determine the number of pixels per logical inch along the screen height. For that you have to use GetDeviceCaps()<\/a> with the appropriate device context. To compute the actual value, MulDiv()<\/a> is used. This function multiplies two 32-bit integers and devides the 64-bit result by a third 32-bit integer.<\/p>\nIn this case, OnInitDialog() becomes:<\/p>\n
\r\nBOOL CFontSampleDlg::OnInitDialog() \r\n{ \r\n\tCDialog::OnInitDialog(); \r\n\r\n\t\/\/ Set the icon for this dialog. The framework does this automatically \r\n\t\/\/ when the application's main window is not a dialog \r\n\tSetIcon(m_hIcon, TRUE);\t\t\t\/\/ Set big icon \r\n\tSetIcon(m_hIcon, FALSE);\t\t\/\/ Set small icon \r\n\r\n\tCDC* pDC = GetDC(); \r\n\tint desiredHeight = 12; \r\n\tint height = -MulDiv(desiredHeight, pDC->GetDeviceCaps(LOGPIXELSY), 72); \r\n\tReleaseDC(pDC); \r\n\r\n\tVERIFY(editFont.CreateFont( \r\n\t\theight, \/\/ nHeight \r\n\t\t0, \/\/ nWidth \r\n\t\t0, \/\/ nEscapement \r\n\t\t0, \/\/ nOrientation \r\n\t\tFW_NORMAL, \/\/ nWeight \r\n\t\tFALSE, \/\/ bItalic \r\n\t\tFALSE, \/\/ bUnderline \r\n\t\t0, \/\/ cStrikeOut \r\n\t\tANSI_CHARSET, \/\/ nCharSet \r\n\t\tOUT_DEFAULT_PRECIS, \/\/ nOutPrecision \r\n\t\tCLIP_DEFAULT_PRECIS, \/\/ nClipPrecision \r\n\t\tDEFAULT_QUALITY, \/\/ nQuality \r\n\t\tDEFAULT_PITCH | FF_SWISS, \/\/ nPitchAndFamily \r\n\t\t_T(\"Arial\"))); \/\/ lpszFacename \r\n\r\n\tGetDlgItem(IDC_EDIT_SAMPLE)->SetFont(&editFont); \r\n\r\n\treturn TRUE; \/\/ return TRUE unless you set the focus to a control \r\n}<\/pre>\nand the result is:<\/p>\n
![\"Arial](\"\/blog\/wp-content\/uploads\/2007\/11\/font2.png\")
<\/p>\n
and that is what we wanted in the first place.<\/p>\n","protected":false},"excerpt":{"rendered":"
Let’s asume you want to change the font of a window\\control and for the sake of simplicity let’s consider an MFC dialog application. In that case, there are several steps you should follow: declare a CFont variable in the dialog class create the font in OnInitDialog (using CreateFont) set the font to the control (using … Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","advgb_blocks_editor_width":"","advgb_blocks_columns_visual_guide":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[7,12],"tags":[23,27,26,453,24,25],"class_list":["post-90","post","type-post","status-publish","format-standard","hentry","category-c","category-mfc","tag-createfont","tag-font","tag-getdevicecaps","tag-mfc","tag-muldiv","tag-setfont"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t