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update to my mt5 libs to include better comments

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This commit is contained in:
Matt Corcoran
2025-07-12 15:29:30 +02:00
parent ec3fc120ce
commit 136522ef1c
31 changed files with 1389 additions and 2024 deletions
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Utils/ChartUtils.mqh
+31 -19
View File
@@ -1,31 +1,43 @@
#include <Object.mqh>
class ChartUtils : public CObject {
public:
void draw_line(double value, string name, color clr = clrBlack);
public:
void draw_line(double value, string name, color clr = clrBlack);
};
// ---------------------------------------------------------------------
// Draws or updates a horizontal line on the chart at the given price level.
//
// Parameters:
// - value : Price level at which to draw the line.
// - name : Unique name for the line object.
// - clr : Line color (default is black).
//
// Logic:
// - If the object doesn't exist, it creates a new horizontal line.
// - If the object exists, it moves it to the new price level.
// - Calls ChartRedraw to update the chart visually.
// ---------------------------------------------------------------------
void ChartUtils::draw_line(double value, string name, color clr) {
if (ObjectFind(0, name) < 0) {
ResetLastError();
if (ObjectFind(0, name) < 0) {
ResetLastError();
if (!ObjectCreate(0, name, OBJ_HLINE, 0, 0, value)) {
Print(__FUNCTION__, ": failed to create a horizontal line! Error code = ", GetLastError());
return;
}
if (!ObjectCreate(0, name, OBJ_HLINE, 0, 0, value)) {
Print(__FUNCTION__, ": failed to create a horizontal line! Error code = ", GetLastError());
return;
}
ObjectSetInteger(0, name, OBJPROP_COLOR, clr);
ObjectSetInteger(0, name, OBJPROP_STYLE, STYLE_SOLID);
ObjectSetInteger(0, name, OBJPROP_WIDTH, 1);
}
ObjectSetInteger(0, name, OBJPROP_COLOR, clr);
ObjectSetInteger(0, name, OBJPROP_STYLE, STYLE_SOLID);
ObjectSetInteger(0, name, OBJPROP_WIDTH, 1);
}
ResetLastError();
ResetLastError();
if (!ObjectMove(0, name, 0, 0, value)) {
Print(__FUNCTION__, ": failed to move the horizontal line! Error code = ", GetLastError());
return;
}
if (!ObjectMove(0, name, 0, 0, value)) {
Print(__FUNCTION__, ": failed to move the horizontal line! Error code = ", GetLastError());
return;
}
ChartRedraw();
ChartRedraw();
}